Purchase Export Search ScienceDirect Advanced search Recommended articles Experimental Thermal and Fluid Science Citing articles ((00) Available online 23 June 2016 In Press, Accepted Manuscript — Note to users Related book content Corona based air-flow using parallel discharge electrodes Van Thanh Daua, , , Thien Xuan Dinhb, Tung Thanh Buic, Canh-Dung Trand, Hoa Thanh Phane, Tibor Terebessyf Show more Choose an option to locate/access this article: Check if you have access through your login credentials or your institution Purchase $39.95 Check access doi:10.1016/j.expthermflusci.2016.06.023 doi:10.1016/j.expthermflusci.2016.06.023 Get rights and content Highlights • • • • • A novel ion wind generator with corona discharge from parallel pins Ion wind was created with very few net charge Effect of electrode tips were studied Effect of electrode separations were studied The ion wind speed has linear relationship with both square root of the discharge current and with discharge voltage • Three dimensional simulation in OpenFOAM has well agreement with experiment Abstract A novel air-flow generator based on the effect of ion wind has been developed by the simultaneous generation of both positive and negative ions using two electrodes of opposite polarity placed in parallel Unlike the conventional unipolar-generators, this bipolar configuration creates an ion wind, which moves away from both electrodes and yields a very low net charge on the device The electro-hydrodynamic behaviour of airflow has been experimentally and numerically studied The velocity of ion wind reaches values up to 1.25 m/s using low discharge current µA with the kinetic conversion efficiency of 0.65% and the released net charge of -30 fA, orders of magnitude smaller compared with the discharge current Due to easy scalability and low net charge, the present configuration is beneficial to applications with space constraints and/or where neutralized discharge process is required, such as inertial fluidic units, circulatory flow heat transfer, electrospun polymer nanofiber to overcome the intrinsically instability of the process, or the formation of low charged aerosol Keywords Ion wind; Bipolar corona discharge; Neutralization; 3Dsimulation; OpenFOAM; Electrohydrodynamics Corresponding author © 2016 Elsevier Inc All rights reserved Note to users: Accepted manuscripts are Articles in Press that have been peer reviewed and accepted for publication by the Editorial Board of this publication They have not yet been copy edited and/or formatted in the publication house style, and may not yet have the full ScienceDirect functionality, e.g., supplementary files may still need to be added, links to references may not resolve yet etc The text could still change before final publication Although accepted manuscripts not have all bibliographic details available yet, they can already be cited using the year of online publication and the DOI, as follows: author(s), article title, Publication (year), DOI Please consult the journal's reference style for the exact appearance of these elements, abbreviation of journal names and use of punctuation When the final article is assigned to volumes/issues of the Publication, the Article in Press version will be removed and the final version will appear in the associated published volumes/issues of the Publication The date the article was first made available online will be carried over About ScienceDirect Remote access Shopping cart Contact and support Terms and conditions Privacy policy Cookies are used by this site For more information, visit the cookies page Copyright © 2016 Elsevier B.V or its licensors or contributors ScienceDirect ® is a registered trademark of Elsevier B.V